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D.4.10.7 The union Element

Parent: setCellProperties
Contents: intersect+

This element represents a set of cells, computed as the union of the sets represented by each of its children.

The intersect Element

Parent: union
Contents: where+ | intersectWhere?

This element represents a set of cells, computed as the intersection of the sets represented by each of its children.

Of the two possible children, in the corpus where is far more common, appearing thousands of times, whereas intersectWhere only appears 4 times.

Most intersect elements have two or more children.

The where Element

Parent: intersect
Contents: empty

This element represents the set of cells in which the value of a specified variable falls within a specified set.

Attribute: variable

The id of a variable, e.g. dimension0categories or dimension0group0map.

Attribute: include

A value, or multiple values separated by semicolons, e.g. 0 or 13;14;15;16.

The intersectWhere Element

Parent: intersect
Contents: empty

The meaning of this element is unknown.

Attribute: variable
Attribute: variable2

The meaning of these attributes is unknown. In the four examples in the corpus they always take the values dimension2categories and dimension0categories, respectively.